Home / 22,335.12-33,499.62-12,358.32

Finding the Fourth Proportional to 22,335.12, 33,499.62 and 12,358.32

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Solution

The fourth proportional to 22,335.12, 33,499.62 and 12,358.32 is: 18,535.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,335.12 : 33,499.62 = 12,358.32 : x
  2. Step 2: Convert to fraction form
    22,335.12/33,499.62 = 12,358.32/x
  3. Step 3: Cross multiply
    22,335.12x = 33,499.62 × 12,358.32
  4. Step 4: Simplify right side
    22,335.12x = 413,999,023.84
  5. Step 5: Solve for x
    x = 413,999,023.84/22,335.12
  6. Step 6: Final answer
    x = 18,535.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.